Resolve "No replica set members found yet" errors when using mongodb...

Resolve "No replica set members found yet" errors when using mongodb connections when API is hosted by API.

api/config.py

@@ -77,7 +77,8 @@ db = pymongo.MongoClient(
     __config['persistent']['db_uri'],
     j=True,
     connectTimeoutMS=__config['persistent']['db_connect_timeout'],
-    serverSelectionTimeoutMS=__config['persistent']['db_server_selection_timeout']
+    serverSelectionTimeoutMS=__config['persistent']['db_server_selection_timeout'],
+    connect=False
 ).get_default_database()
 log.debug(str(db))